B I0 MAINTENANCE r Adjust wneei bearings after lubrication in Manual Transmission and Modal 20 Translor Casa Fluid accordance with procedures in Brakes Wheels sec chang tion Manual transmission 3 or 4 speed and Model 20 uuu Sul u u u 3 z lL E 2 a i 0 JA i 22g 1 t tutmte every moo miles using AM A1n rorpm Gear 1 uluiccnc uf API 0L 4 uu lu scc Fluiu Qcucc Lubricant or Multi Purpose Chassis Lubricant lithium mes charh at thc end uf this Sechhh fur qhhhmy Tc base or equivalent chahge fhhd 1 Remove fill plugs and drain plugs 2 Allow units to drain completely mater Casa Slnll Donlrol Lavor Cliorokomwagonoor 3 Replace mm lugS 4 Fill to level of ill holes 5 R l f ll 1 Luhricate every 25 000 miles using AM All Purpose Ep ace I p ugs Lubricant or Multi Purpose Chassis Lubricant lithium l haw em Axla Drtforontlals Fronl and lloarl Fluld Cnango Automatic Transmission Fluid cnango Cheugc cvcw 30 000 yuilcc u i e AM Rccc Mic Lubricant or Limited Slip Gear Lubricant of SAE 80W 90 API GL 5 quality or equivalent For Trac Drain and refill the automatic transmission at Lok differentials use Jeep Differential Oil Part Num 25 000 miles for vehicles in normal service and every ber 8991018 or equivalent Quantity required is listed 10 000 miles for vehicles in heavy duty service Change in the Fluid Capacities chart at the end of this section fluifi immediately after vehicle operation before it by axle modeI Tochange fluid coo s 1 Remove axle differential housing cover 2 Allow lubricant to drain out completely 1 Remove transmission pan screws pan and 3 On all differentials except Trac Lok flush the gasket differential with a flushing oil or light engine oil to 2 Remove and discard oil strainer clean out the housing do not use water steam 3 Remove and discard O ring seal from the kerosene or gasoline for flushing Trac Lok dif pick up pipe ferentials may be cleaned only by disassembling the 4 Install new oil strainer unit and wiping with clean rags Do not flush the unit 5 Install new O ring seal on pick up pipe and in 4 Check condition of differential housing cover stall strainer and pipe assembly gasket Replace if necessary 6 Clean pan thoroughly and position new gasket 5 Install gasket and differential housingcover on pan Use petroleum jelly to hold gasket 6 Tighten cover bolts to 15 to 25 f0ot pounds tor l 7 Install pan Secure with attaching screws and que tighten to 10 to 13 foot pounds torque 7 Remove filler plug fig B 2 and add new 8 Four approximately 5 quarts of Dex ron or Dex lubricant to fill hole level ron II automatic transmission fluid or equivalent down filler pipe Be sure container spout funnel or other items in contact with fluid are clean 9 Start enginc allow to idle a few minutes cnmhms Pmclsmn Tum up N Madam 10 Place gearshift lever in Park P position and apply parking brake A com plete precision tune up should be performed A lgluligthf i 5Shz g b rhLV i kFg EE kgs on CJ models at 30 000 mile intervals and a precision y g electronic diagnosis purchased whenever questionable engine performance occurs between the scheduled pre cision tune ups Refer to Chart 5 of the 1976 Mechanical Mainte EVERY 30 000 MILES nance Schedule for a complete listing of items requir ing attention during the tune up Refer to Emission At every 30 000 mile interval perform all of the Controls section for detailed procedures and specifica services listed under EVERY 5 000 MILES EVERY tions Procedures for air cleaner servicing and fuel fil 10 000 MILES and EVERY 15 000 MILES in addi ter replacement can be found in the tion to the following scheduled maintenance Fuel Carburetion section